ncs.h

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/*
 * Copyright (c) 2017 Intel Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MOVIDIUS_NCS_LIB_NCS_H
#define MOVIDIUS_NCS_LIB_NCS_H

#include <vector>
#include <string>
#include <opencv2/opencv.hpp>
#include <ros/ros.h>

#include "movidius_ncs_lib/result.h"
#include "movidius_ncs_lib/graph.h"
#include "movidius_ncs_lib/device.h"

namespace movidius_ncs_lib
{
class NCS
{
public:
  NCS(int device_index,
      Device::LogLevel log_level,
      const std::string& cnn_type,
      const std::string& graph_file_path,
      const std::string& category_file_path,
      const int network_dimension,
      const std::vector<float>& mean,
      const float& scale,
      const int& top_n);
  ~NCS();

  void classify();
  void detect();
  void loadTensor(const cv::Mat& image);
  ClassificationResultPtr getClassificationResult();
  DetectionResultPtr getDetectionResult();

private:
  void initDevice();
  void loadGraph(const std::string& graph_file_path);
  void loadCategories(const std::string& category_file_path);
  static void splitIntoLines(const std::string& content,
                             std::vector<std::string>& lines);
  static std::string getFileContent(const std::string& filename);

  Device::Ptr device_;
  Graph::Ptr graph_;
  Tensor::Ptr tensor_;
  Result::Ptr result_;

  const int device_index_;
  const Device::LogLevel log_level_;
  const std::string cnn_type_;
  std::vector<std::string> categories_;
  const int network_dimension_;
  const std::vector<float> mean_;
  const float scale_;
  const int top_n_;
  void* user_param_;
};
}  // namespace movidius_ncs_lib
#endif  // MOVIDIUS_NCS_LIB_NCS_H